Special Tools
• | J 41478
Crankshaft Front Oil Seal Installer |
• | J 41558
Crankshaft Sprocket Remover |
• | J 41665
Crankshaft Balancer and Sprocket Installer |
Removal Procedure
- Remove the oil pump. Refer to
Oil Pump, Screen, and Crankshaft Oil Deflector Replacement.
Caution: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.
- Rotate the crankshaft until the timing marks on the crankshaft and the camshaft sprockets are aligned.
Caution: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.
- Remove and discard the camshaft sprocket bolt (206).
- Remove the camshaft sprocket (205) and timing chain (208).
- Remove the bolts (231) and timing chain tensioner (232).
- Use the
J 41816-2
(1), the
J 41558
(2), bolts (3), and the
J 8433
(4) in order to remove the crankshaft sprocket.
- Remove the crankshaft sprocket (207).
- Remove the crankshaft sprocket key, as required.
Installation Procedure
- Install the key into the crankshaft keyway, if previously removed.
- Tap the key (122) into the keyway until both ends of the key bottom onto the crankshaft.
- Install the crankshaft sprocket (207) onto the front of the crankshaft.
Align the crankshaft key with the crankshaft sprocket keyway.
- Use the
J 41478
(1) and the
J 41665
(2) in order to install the crankshaft sprocket.
Install the sprocket onto the crankshaft until fully seated against the crankshaft flange.
- Rotate the crankshaft sprocket until the alignment mark is in the 12 o'clock position.
- Compress the timing chain tensioner
guide and install the
EN 46330
.
Caution: Refer to Fastener Caution in the Preface section.
- Install the timing chain tensioner (232) and bolts (231).
Tighten
Tighten the timing chain tensioner bolts to 25 N·m (18 lb ft).
Note:
• | The sprocket teeth and timing chain must mesh. |
• | The camshaft and the crankshaft sprocket alignment marks MUST be aligned properly. |
- Install the camshaft sprocket (205), timing chain (208), and bolt (206).
- Inspect the sprockets for proper alignment. The mark
on the camshaft sprocket (1) should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2) should be located in the 12 o'clock position.
- Remove the
EN 46330
.
Note: Do not apply threadlock to the flex plate bolts at this time.
- Temporarily install the automatic transmission flex plate and bolts. Refer to
Automatic Transmission Flex Plate Cleaning and Inspection.
- Install the
J 42386-A
and bolts. Use 1 M10-1.5 x 120 mm
bolt and 1 M10-1.5 x 45 mm bolt for proper tool operation.
Tighten
Tighten the
J 42386-A
bolts to 50 N·m (37 lb ft).
- Tighten the camshaft sprocket bolt.
Tighten
- Tighten the camshaft sprocket bolt a first pass to 75 N·m (55 lb ft).
- Tighten the camshaft sprocket bolt a final pass an additional 50 degrees using the
J 45059
.
- Remove the
J 42386-A
and bolts.
- Remove the automatic transmission flex plate and bolts. Refer to
Automatic Transmission Flex Plate Removal.
- Install the oil pump. Refer to
Oil Pump, Screen, and Crankshaft Oil Deflector Replacement.